If you have an Android smartphone you probably aren’t running the latest version of Android which is Android 2.3 Gingerbread. Updating phones isn’t really the highest priority for carriers and manufacturers. But usually you don’t have to wait for the carrier to publish an update for your smartphone in order for you to get the latest software on your phone. Two weeks ago I published a tutorial on how to root the LG Optimus S, and then last week I published a tutorial going over how to install a custom recovery menu on the LG Optimus S. And now this week I’m going over how to install a custom CyanogenMod ROM on the LG Optimus S using the recovery menu. So installing this custom ROM on your smartphone will give you the latest version of Android at least right now which is Android 2.3.3 Gingerbread although this specific ROM isn’t being developed anymore meaning that there shouldn’t be any bug fixes or anything anytime soon. Although from my experience there haven’t been a whole lot of problems with this ROM. So the first step is to download the files listed in the sidebar listed under what you need. And once you have downloaded them you’ll need to mount the microSD card on your smartphone and copy the files to the root of your microSD card and then shut down your smartphone. Once you have shut down your smartphone you’ll need to boot into the recovery menu by pressing the home button, volume button, and power button at the same time. Keep the home and volume buttons pressed …